What is the weather in Sumner right now?

Current weather in Sumner is thunderstorm with light rain.

Where can I find the hourly weather forecast for Sumner?

This page shows hourly weather forecast for Sumner, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Sumner updated regularly?

Weather data for Sumner is updated regularly with the latest available observations and forecasts.

Now · 10:44 AM

Sumner Weather & Hourly Forecast

United States · Illinois · 62466

75°F

Light thunderstorms

Feels like: 82°F

💧 Humidity 92% 🌡 Pressure 30.03 inHg 💨 Wind 3 mph 👁 Visibility 4.3 mi ☁ Clouds 73% ☀️ UV index 0.8 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Sumner

Today

11:00 AM

Light thunderstorms

75° 💧 0.101 in 💨 3 mph H 92%30.03 inHg

2:00 PM

Light rain

80° 💧 0.009 in 💨 4 mph H 76%29.97 inHg

5:00 PM

Mostly cloudy

79° 💧 0.049 in 💨 7 mph H 74%29.91 inHg

8:00 PM

Overcast night

73° 💧 0.016 in 💨 5 mph H 93%29.91 inHg

11:00 PM

Light rain

72° 💧 0.058 in 💨 3 mph H 96%29.97 inHg

Tomorrow

2:00 AM

Overcast night

71° 💧 0.002 in 💨 4 mph H 98%29.94 inHg

5:00 AM

Overcast night

70° 💧 0.002 in 💨 6 mph H 98%29.94 inHg

8:00 AM

Overcast

71° 💧 0.004 in 💨 6 mph H 95%29.97 inHg

11:00 AM

Overcast

77° 💧 0.019 in 💨 7 mph H 77%29.97 inHg

2:00 PM

Light rain

81° 💧 0.042 in 💨 6 mph H 68%29.91 inHg

5:00 PM

Mostly cloudy

82° 💧 0.004 in 💨 1 mph H 63%29.85 inHg

8:00 PM

Mostly cloudy night

75° 💧 None 💨 3 mph H 88%29.88 inHg

11:00 PM

Clear night

73° 💧 0.000 in 💨 4 mph H 94%29.88 inHg

Saturday

2:00 AM

Clear night

72° 💧 None 💨 5 mph H 97%29.88 inHg

5:00 AM

Clear night

71° 💧 None 💨 4 mph H 98%29.91 inHg

8:00 AM

Mostly sunny

74° 💧 0.010 in 💨 4 mph H 95%29.94 inHg

Today

11:00 AM

Light thunderstorms

75° 💧 0.080 in 💨 3 mph H 92%30.03 inHg

12:00 PM

Light rain

78° 💧 0.012 in 💨 4 mph H 81%30.00 inHg

1:00 PM

Light rain

80° 💧 0.009 in 💨 1 mph H 76%29.97 inHg

2:00 PM

Light rain

80° 💧 0.007 in 💨 4 mph H 76%29.97 inHg

3:00 PM

Partly cloudy

80° 💧 0.001 in 💨 6 mph H 74%29.94 inHg

4:00 PM

Overcast

81° 💧 0.000 in 💨 8 mph H 71%29.91 inHg

5:00 PM

Mostly cloudy

79° 💧 0.000 in 💨 7 mph H 74%29.91 inHg

6:00 PM

Light rain

77° 💧 0.012 in 💨 6 mph H 81%29.91 inHg

7:00 PM

Light rain

74° 💧 0.036 in 💨 7 mph H 92%29.91 inHg

8:00 PM

Overcast night

73° 💧 0.001 in 💨 5 mph H 93%29.91 inHg

9:00 PM

Overcast night

73° 💧 0.000 in 💨 4 mph H 94%29.94 inHg

10:00 PM

Light rain

72° 💧 0.014 in 💨 4 mph H 96%29.97 inHg

11:00 PM

Light rain

72° 💧 0.047 in 💨 3 mph H 96%29.97 inHg

Tomorrow

12:00 AM

Light rain

72° 💧 0.009 in 💨 4 mph H 96%29.97 inHg

1:00 AM

Overcast night

71° 💧 0.002 in 💨 5 mph H 97%29.97 inHg

2:00 AM

Overcast night

71° 💧 0.001 in 💨 4 mph H 98%29.94 inHg

3:00 AM

Overcast night

71° 💧 None 💨 3 mph H 98%29.94 inHg

4:00 AM

Overcast night

70° 💧 0.000 in 💨 4 mph H 99%29.94 inHg

5:00 AM

Overcast night

70° 💧 0.001 in 💨 6 mph H 98%29.94 inHg

6:00 AM

Overcast night

70° 💧 None 💨 5 mph H 97%29.97 inHg

7:00 AM

Overcast

70° 💧 0.002 in 💨 5 mph H 97%29.97 inHg

8:00 AM

Overcast

71° 💧 0.002 in 💨 6 mph H 95%29.97 inHg

9:00 AM

Overcast

72° 💧 0.000 in 💨 6 mph H 92%29.97 inHg

10:00 AM

Overcast

75° 💧 0.001 in 💨 7 mph H 84%29.97 inHg

11:00 AM

Overcast

77° 💧 0.002 in 💨 7 mph H 77%29.97 inHg

12:00 PM

Overcast

78° 💧 0.003 in 💨 7 mph H 75%29.97 inHg

1:00 PM

Light rain

80° 💧 0.014 in 💨 7 mph H 70%29.94 inHg

2:00 PM

Light rain

81° 💧 0.018 in 💨 6 mph H 68%29.91 inHg

3:00 PM

Light rain

82° 💧 0.016 in 💨 4 mph H 65%29.88 inHg

4:00 PM

Light rain

82° 💧 0.009 in 💨 3 mph H 64%29.88 inHg

5:00 PM

Mostly cloudy

82° 💧 0.002 in 💨 1 mph H 63%29.85 inHg

6:00 PM

Mostly cloudy

82° 💧 0.001 in 💨 2 mph H 67%29.85 inHg

7:00 PM

Mostly cloudy

78° 💧 0.001 in 💨 2 mph H 82%29.85 inHg

8:00 PM

Mostly cloudy night

75° 💧 None 💨 3 mph H 88%29.88 inHg

9:00 PM

Partly cloudy night

74° 💧 None 💨 3 mph H 92%29.88 inHg

10:00 PM

Clear night

73° 💧 None 💨 4 mph H 93%29.91 inHg

11:00 PM

Clear night

73° 💧 None 💨 4 mph H 94%29.88 inHg

Saturday

12:00 AM

Mostly clear night

73° 💧 None 💨 5 mph H 94%29.88 inHg

1:00 AM

Clear night

72° 💧 0.000 in 💨 6 mph H 96%29.88 inHg

2:00 AM

Clear night

72° 💧 None 💨 5 mph H 97%29.88 inHg

3:00 AM

Clear night

72° 💧 None 💨 4 mph H 97%29.88 inHg

4:00 AM

Clear night

71° 💧 None 💨 4 mph H 98%29.88 inHg

5:00 AM

Clear night

71° 💧 None 💨 4 mph H 98%29.91 inHg

6:00 AM

Clear night

71° 💧 None 💨 4 mph H 99%29.91 inHg

7:00 AM

Mostly sunny

72° 💧 None 💨 5 mph H 99%29.91 inHg

8:00 AM

Mostly sunny

74° 💧 0.001 in 💨 4 mph H 95%29.94 inHg

9:00 AM

Light rain

77° 💧 0.007 in 💨 5 mph H 88%29.94 inHg

10:00 AM

Mostly sunny

80° 💧 0.002 in 💨 7 mph H 80%29.94 inHg

11:00 AM

Light rain

83° 💧 0.004 in 💨 7 mph H 73%29.94 inHg

12:00 PM

Mostly sunny

85° 💧 0.002 in 💨 7 mph H 66%29.94 inHg

1:00 PM

Mostly sunny

86° 💧 0.001 in 💨 7 mph H 62%29.91 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 7 mph H 58%29.91 inHg

3:00 PM

Mostly sunny

88° 💧 None 💨 7 mph H 55%29.85 inHg

4:00 PM

Sunny

88° 💧 None 💨 7 mph H 55%29.85 inHg

5:00 PM

Sunny

87° 💧 None 💨 6 mph H 56%29.88 inHg

6:00 PM

Sunny

85° 💧 None 💨 3 mph H 68%29.88 inHg

7:00 PM

Partly cloudy

82° 💧 None 💨 3 mph H 76%29.91 inHg

Sunday

4:00 AM

Clear night

70° 💧 None 💨 3 mph H 98%30.00 inHg

7:00 AM

Sunny

70° 💧 None 💨 1 mph H 99%30.03 inHg

10:00 AM

Mostly sunny

78° 💧 None 💨 2 mph H 82%30.03 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 2 mph H 66%30.00 inHg

4:00 PM

Sunny

87° 💧 None 💨 4 mph H 59%29.97 inHg

7:00 PM

Sunny

82° 💧 None 💨 0 mph H 71%29.97 inHg

10:00 PM

Mostly clear night

77° 💧 None 💨 5 mph H 83%30.00 inHg

Monday

1:00 AM

Mostly cloudy night

74° 💧 None 💨 5 mph H 91%30.00 inHg

4:00 AM

Partly cloudy night

73° 💧 None 💨 1 mph H 92%30.03 inHg

7:00 AM

Sunny

73° 💧 None 💨 4 mph H 95%30.06 inHg

10:00 AM

Sunny

83° 💧 None 💨 5 mph H 71%30.06 inHg

1:00 PM

Sunny

89° 💧 None 💨 6 mph H 55%30.03 inHg

4:00 PM

Sunny

90° 💧 None 💨 7 mph H 52%30.00 inHg

7:00 PM

Sunny

84° 💧 None 💨 6 mph H 67%29.97 inHg

10:00 PM

Clear night

80° 💧 None 💨 8 mph H 73%30.00 inHg

Tuesday

1:00 AM

Clear night

78° 💧 None 💨 6 mph H 78%30.03 inHg

4:00 AM

Clear night

76° 💧 None 💨 7 mph H 86%30.03 inHg

7:00 AM

Sunny

75° 💧 None 💨 5 mph H 90%30.06 inHg

10:00 AM

Sunny

86° 💧 None 💨 7 mph H 67%30.09 inHg

1:00 PM

Mostly sunny

93° 💧 None 💨 8 mph H 50%30.06 inHg

4:00 PM

Mostly sunny

94° 💧 None 💨 9 mph H 47%30.00 inHg

7:00 PM

Sunny

87° 💧 None 💨 6 mph H 62%30.03 inHg

10:00 PM

Mostly clear night

83° 💧 None 💨 5 mph H 74%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

75° 💧 None 💨 2 mph H 97%30.09 inHg

7:00 AM

Sunny

80° 💧 None 💨 7 mph H 72%30.09 inHg

1:00 PM

Overcast

73° 💧 None 💨 4 mph H 96%30.15 inHg

7:00 PM

Partly cloudy night

88° 💧 None 💨 7 mph H 64%30.15 inHg

Thursday

1:00 AM

Overcast night

77° 💧 None 💨 4 mph H 94%30.12 inHg

7:00 AM

Mostly cloudy

75° 💧 None 💨 4 mph H 97%30.12 inHg

1:00 PM

Sunny

75° 💧 None 💨 6 mph H 97%30.06 inHg

7:00 PM

Overcast night

85° 💧 None 💨 9 mph H 70%30.06 inHg

Friday

1:00 AM

Overcast night

74° 💧 None 💨 13 mph H 75%30.06 inHg

7:00 AM

Sunny

64° 💧 None 💨 10 mph H 70%30.18 inHg

1:00 PM

Sunny

59° 💧 None 💨 8 mph H 89%30.21 inHg

7:00 PM

Mostly clear night

73° 💧 None 💨 9 mph H 55%30.18 inHg

Saturday

1:00 AM

Clear night

68° 💧 None 💨 7 mph H 65%30.15 inHg

7:00 AM

Overcast

61° 💧 None 💨 6 mph H 75%30.15 inHg

1:00 PM

Sunny

57° 💧 None 💨 8 mph H 85%30.18 inHg

7:00 PM

Clear night

73° 💧 None 💨 9 mph H 47%30.12 inHg

Sunday

1:00 AM

Clear night

68° 💧 None 💨 6 mph H 65%30.09 inHg

7:00 AM

Sunny

61° 💧 None 💨 7 mph H 77%30.09 inHg

1:00 PM

Mostly sunny

58° 💧 None 💨 8 mph H 80%30.12 inHg

7:00 PM

Mostly clear night

75° 💧 None 💨 9 mph H 54%30.12 inHg

Monday

1:00 AM

Clear night

71° 💧 None 💨 7 mph H 65%30.09 inHg

7:00 AM

Partly cloudy

66° 💧 None 💨 8 mph H 79%30.12 inHg

1:00 PM

Overcast

65° 💧 None 💨 9 mph H 74%30.18 inHg

7:00 PM

Clear night

78° 💧 None 💨 9 mph H 47%30.18 inHg

Tuesday

1:00 AM

Clear night

71° 💧 None 💨 6 mph H 60%30.15 inHg

7:00 AM

Sunny

65° 💧 None 💨 7 mph H 78%30.18 inHg

1:00 PM

Sunny

60° 💧 None 💨 7 mph H 83%30.24 inHg

7:00 PM

Mostly clear night

78° 💧 None 💨 8 mph H 41%30.21 inHg

Wednesday

1:00 AM

Overcast night

72° 💧 None 💨 7 mph H 52%30.15 inHg

7:00 AM

Mostly cloudy

62° 💧 None 💨 5 mph H 66%30.15 inHg

1:00 PM

Sunny

57° 💧 None 💨 5 mph H 85%30.18 inHg

7:00 PM

Clear night

80° 💧 None 💨 8 mph H 42%30.12 inHg

Thursday

1:00 AM

Partly cloudy night

73° 💧 None 💨 7 mph H 54%30.06 inHg

7:00 AM

Sunny

64° 💧 None 💨 6 mph H 71%30.09 inHg

1:00 PM

Sunny

58° 💧 None 💨 6 mph H 90%30.12 inHg

7:00 PM

Clear night

80° 💧 None 💨 5 mph H 44%30.12 inHg

Friday

1:00 AM

Clear night

73° 💧 None 💨 4 mph H 61%30.06 inHg

In Sumner and, more broadly, across the state of Illinois: The rest of the day will see mostly cloudy skies with temperatures remaining mild, ranging from 66 to 71 degrees Fahrenheit. There is a high likelihood of rain, with total accumulation around 0.38 inches. Winds will be light, coming from the east at up to 6 mph, with gusts reaching 8 mph. Conditions will be damp and breezy at times, so it’s a good idea to carry an umbrella if you plan to be outdoors. The rain could be steady at times, especially during the afternoon hours. Overall, expect a cooler, moist afternoon with limited sunshine.

15-Day Weather Outlook for Sumner

TomorrowTomorrow

Overcast 82°/70° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 88°/71° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 87°/70° 💧 1.040 in 💨 4 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 90°/73° 💧 None 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 94°/75° 💧 0.001 in 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Overcast 87°/73° 💧 0.955 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 88°/75° 💧 0.082 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Overcast 85°/59° 💧 0.389 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 73°/57° 💧 None 💨 9 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 73°/58° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 75°/65° 💧 None 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Sunny 78°/60° 💧 None 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 78°/57° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 80°/58° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Sunny 80°/73° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sumner

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sumner

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 6,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 7,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 58,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Sumner

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,5High 😊Good

Tomorrow UV 5,3Moderate 🙂Fair

Saturday UV 7,2High 🙂Fair

Sunday UV 6,4High 🙂Fair

Monday UV 9,0Very high 😊Good

Tuesday UV 9,0Very high —Unavailable

Wednesday UV 9,0Very high —Unavailable

Hourly UV index today

11:00 AMUV 3,0 12:00 PMUV 6,5 1:00 PMUV 3,0 2:00 PMUV 3,7 3:00 PMUV 1,5 4:00 PMUV 1,3 5:00 PMUV 0,7 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Sumner

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SUMNER, ILLINOIS

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

37/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 74% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 37° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Sumner were last refreshed today at 10:44 AM. The current forecast period extends through 12/09/2026 at 8:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.